Fregattenkapitän Heinrich Lehmann-Willenbrock was a submarine commander in Germany during World War II and the subject of the mini-series called "Das Boot" when he was portrayed by which actor? 
Jürgen Prochnow
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Heinrich Lehmann-Willenbrock
1598552
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Section::::Abstract.
Heinrich Lehmann-Willenbrock
1598552
-1
Section::::Abstract.
Das Boot
8994